Found with bin/find-unneeded-includes
Only removal proposals are dealt with here.

Change-Id: Ic8476ddc7805546f2f6f253f282ac976bb3b7bd6
Reviewed-on: https://gerrit.libreoffice.org/67699
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>